National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley Thursday afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Hazardous Weather Conditions

Current conditions at

Altoona - Blair County Airport (KAOO)

Lat: 40.3°NLon: 78.32°WElev: 1467ft.

Fair

36°F

2°C

Humidity 57%
Wind Speed S 8 mph
Barometer 30.44 in (1031.9 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 9 Apr 6:53 am EDT
Extended Forecast for

2 Miles ENE Williamsburg PA

  • Today

    Today: Mostly sunny, with a high near 64. Light south wind increasing to 5 to 9 mph in the morning.

    High: 64 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 39. South wind around 6 mph becoming calm in the evening.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 77. Light south wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of showers before 2am. Mostly cloudy, with a low around 46. West wind around 6 mph becoming northwest after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 65. Northwest wind around 6 mph.

    High: 65 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 78.

    High: 78 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a high near 64. Light south wind increasing to 5 to 9 mph in the morning.
Tonight
Partly cloudy, with a low around 39. South wind around 6 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 77. Light south wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
Friday Night
A chance of showers before 2am. Mostly cloudy, with a low around 46. West wind around 6 mph becoming northwest after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Sunny, with a high near 65. Northwest wind around 6 mph.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Mostly sunny, with a high near 71.
Sunday Night
Mostly cloudy, with a low around 57.
Monday
Mostly cloudy, with a high near 78.
Monday Night
Mostly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 84.
Tuesday Night
Mostly cloudy, with a low around 64.
Wednesday
A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Williamsburg PA
 40.47°N 78.18°W (Elev. 1053 ft)
Last Update:
6:36 am EDT Apr 9, 2026
Forecast Valid:
7am EDT Apr 9, 2026-6pm EDT Apr 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation